Home / 35,478,059.40-53,217,089.10-12,756,004.20

Finding the Fourth Proportional to 35,478,059.40, 53,217,089.10 and 12,756,004.20

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Solution

The fourth proportional to 35,478,059.40, 53,217,089.10 and 12,756,004.20 is: 19,134,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478,059.40 : 53,217,089.10 = 12,756,004.20 : x
  2. Step 2: Convert to fraction form
    35,478,059.40/53,217,089.10 = 12,756,004.20/x
  3. Step 3: Cross multiply
    35,478,059.40x = 53,217,089.10 × 12,756,004.20
  4. Step 4: Simplify right side
    35,478,059.40x = 678,837,412,071,374.25
  5. Step 5: Solve for x
    x = 678,837,412,071,374.25/35,478,059.40
  6. Step 6: Final answer
    x = 19,134,006.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.